skvc rkvcr2 qkvcr pkvc okvcr2

3tucr2 2tucr 1tuc 0tucr2 ztucr

e3tcr d3tc c3tcr2 b3tcr a3tc

pctc octcr2 nctcr mctc lctcr2

0lscr2 zlscr ylsc xlscr2 wlscr